Strontium chromate

Strontium chromate

Identifiers
CAS Number	7789-06-2 Y
3D model (Jmol)	Interactive image
ECHA InfoCard	100.029.220
EC Number	232-142-6
PubChem	24599
RTECS number	GB3240000
InChI InChI=1S/Cr.4O.Sr/q;;;2*-1;+2 Key: NVKTUNLPFJHLCG-UHFFFAOYSA-N
SMILES [O-][Cr](=O)(=O)[O-].[Sr+2]
Properties
Chemical formula	SrCrO4
Molar mass	203.614 g/mol
Appearance	yellow powder
Density	3.353 g/cm3
Solubility in water	0.12 g/100 mL (15 °C) 3 g/100 mL (100 °C)
Solubility	Soluble in dilute acids and ammonia
Structure
Crystal structure	monoclinic
Hazards
Lethal dose or concentration (LD, LC):
LD50 (median dose)	3118 mg/kg (rat, oral)
Related compounds
Other cations	Magnesium chromate Barium chromate
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
Infobox references

Strontium chromate is a chemical compound, with the formula SrCrO₄.^[1]

Preparation

Strontium chromate is prepared from the reaction of strontium chloride with sodium chromate, or from a reaction between strontium carbonate with sodium dichromate.

Uses

• Corrosion inhibitor in pigments
• In electrochemical processes to control sulphate concentration of solutions
• Colorant in polyvinyl chloride resins
• Pyrotechnics
• Aluminum flake coatings
• As an anti-corrosive primer for zinc, magnesium, aluminum, and alloys used in aircraft manufacture.

References